Technical Scuba Diving
An unidentified WWII Corsair rests off Turtle Bay, Espiritu Santo — and figuring out whose it was turned into a real research rabbit hole. Eleven candidate aircraft, a missing propeller with no good explanation, and a mystery that's still open.
The author revisits the PBM Mariner wreck off Point Loma to improve a previous photogrammetry model, dealing with minor equipment issues and poor surface conditions during the dive. The new model features enhanced color and detail, providing a more accurate visual document of the historically significant wreck for an upcoming book.
Photogrammetry model of a deep TBM Avenger that crashed in 1952. Bureau Number is 53439.
In 2022, a P-38 wreck was discovered off Solana Beach, leading to initial photogrammetry modeling. As skills improved, a recent dive on January 22 aimed to enhance the quality of the model for the book "Aviation Wrecks of Southern California." Despite complications, a clearer, more accurate representation was successfully created.
Introduction This has been a long time coming ... I've been thinking about building a photogrammetry model of the USS Emmons for years. It is an epic wreck that is on the edge of recreational diving in terms of depth. It is, in my opinion, one of the best US Warship wrecks within dive-able depths. [...]
Background I have long thought about trying to build a photogrammetry model of the wreck of the destroyer USS Emmons (DD-457/DMS-22) which sank off of Kouri Island (Kouri Jima), Okinawa on April 7th, 1945. The Emmons sits at a depth of 130-150 feet (40-45 meters) and is largely intact; however, it is rapidly starting to [...]
Background The Missile Tower is an artificial reef created from an old Trident missile testing tower. It is very close to the US/Mexico border and sits in about 160 feet of water. It is a popular dive site for technical divers and is commonly used for training classes since it is big target and it [...]
Background When I originally created my UB88 Photogrammetry Model it was November 2021 and one of the points of interest for me was using photogrammetry as a tool to see how the wreck had changed and deteriorated since it was discovered in 2003. I don't think I have dove that wreck since the epic series [...]
Background I've spent the past 12-18 months thinking about how to best show the insides of wrecks to both divers and non-divers. This post is the first in a series of probably 4 or 5 parts. Each post will highlight some of the techniques and challenges I have faced while working on this long-term project. [...]
Introduction Tyler and I got a lead on a P-38 that was in deep water (325 fsw) off of Point Loma so we decided to go out with Chris & Lora on the Marrisa. For those types of depths, it is always good to have a couple of divers with you that you know will [...]
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